body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: #f4f6f9;
}

.btn-option {
    text-align: right;
    padding: 14px 20px;
    border-radius: 12px;
    border: 2px solid var(--opt-color, #e9ecef);
    background-color: #ffffff;
    color: #212529;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.btn-option:hover {
    border-color: var(--opt-color);
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn-option.selected {
    border-color: var(--opt-color);
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--opt-color);
    font-weight: bold;
}

.btn-option.selected i {
    color: var(--opt-color);
}

.fade-in {
    animation: fadeIn 0.35s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.domain-card {
    text-align: center;
    position: relative;
}

.capsule-wrapper {
    height: 200px;
    width: 100%;
    border: 2px solid var(--domain-color);
    border-radius: 100px 100px 0 0;
    position: relative;
    overflow: hidden;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 25px 10px 15px 10px;
}

.capsule-icon {
    font-size: 2.2rem;
    color: var(--domain-color);
    z-index: 2;
}

.capsule-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--domain-bg);
    transition: height 1s ease-in-out;
    z-index: 1;
}

.capsule-percentage {
    font-size: 1.3rem;
    font-weight: 800;
    color: #212529;
    z-index: 2;
    margin-bottom: 5px;
}

.domain-base-line {
    height: 5px;
    width: 100%;
    background-color: var(--domain-color);
    margin-top: 4px;
    border-radius: 2px;
}

.domain-title {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--domain-color);
    margin-top: 8px;
}